4 Inch IFS Lift Kit | Ram 1500 (2019-2024) 4WD | Large Bore Knuckle | Strut Spacer / Nitro Series | Zone Offroad

Knuckle Type: Large Bore — required for RAM 1500 trucks equipped with factory 22" wheels (build code WPM or WPZ) due to larger wheel bearing assembly.

Front: Strut Spacer (top-mounted, retains factory strut) | 4" front lift. Rear: Coil Spring | 3" rear lift. Rear shocks: Nitro Series — internal floating piston (IFP) monotube design with large 5/8-inch hard chrome plated heat-treated alloy steel shaft, race-developed high-flow piston, application-specific valving, and clear anodized finish.

Overview

The Zone Offroad 4" IFS Lift System is engineered specifically for the 2019+ RAM 1500 4WD, improving stance and providing clearance for up to 35" tires. Built in the USA to high quality standards, this kit is designed to maintain on-road handling while enhancing off-road capability. All Zone Offroad lift kits are backed by Factory Protection Plus, which includes Zone Offroad's Limited Lifetime Warranty, ESC system compatibility, and a 5-year/100,000-mile drivetrain warranty.

Features

• Maintains on-road handling while improving off-road performance
• Heavy duty cross members and skid plates for undercarriage protection
• New steering knuckles add strength and allow ESC system compatibility
• Top-mounted front strut spacer option retains factory ride quality
• Available with Nitro Series or FOX 2.0 Adventure Series rear shocks
• Allows fitment of up to 35" tires
• Manufactured in the USA
• Backed by Factory Protection Plus (Limited Lifetime Warranty + 5-year/100,000-mile drivetrain warranty)

Specifications

• Front Lift Height: 4"
• Rear Lift Height: 3"
• Rear Lift Method: Coil Spring
• Shocks Included: Yes
• Front options: Strut Spacer or Loaded Strut Replacement (4–5.5" lift range)
• Knuckle options: Standard Bore or Large Bore (required for factory 22" wheel applications, build code WPM or WPZ)

Installation

• Estimated Time: 8 hours
• Difficulty: Moderate

Important Notes

Will NOT fit 2019–2021 RAM 1500 Classic models. Refer to the 2018 kit listings.
Will NOT fit models equipped with the Thermal Axle option (Reference build code DSK-P).
Will NOT fit Ram 1500 Rebel or Ram 1500 with Off-Road Group option.
Vehicles equipped with the Off-Road Group option require the Ram 1500 Rebel 4in kit to achieve correct ride height. To find out if your truck is equipped with the Off-Road Group, call your local Ram dealer, provide your VIN and ask if they can pull your window sticker. In the "Optional Equipment" section there will be a line item that reads "Off-Road Group" if your truck is equipped.
RAMs with factory 22" wheels require the larger bore knuckles due to larger wheel bearing assembly. Reference build code WPM or WPZ. Stock 20s can be reinstalled with factory tire size.
This kit will NOT work on Diesel models.
Does NOT work for models with factory rear airbag suspension.
IF USING 18IN WHEELS WITH MAXIMUM RECOMMENDED BACKSPACING, TEST FIT WHEELS ON VEHICLE BEFORE MOUNTING TIRES TO ENSURE CLEARANCE.